Blue Lava Medium Bodied Fast Set Hot Cement is recommended for DWV repair, irrigation, and pool and spa applications. It is formulated for wet conditions, quick pressurization and fast installation, and is easy to apply with included in-lid dauber. This blue, medium body, very fast setting PVC cement can be used to solvent weld all schedules and classes of PVC pipe and fittings up to 6-inch diameter with interference fit.